scpt/defaults.go

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package scpt
import (
"errors"
"fmt"
"github.com/gen2brain/dlgs"
"os"
"os/exec"
)
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// Default function to display a dialog
func displayDialog(args map[string]interface{}) (interface{}, error) {
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// Get title
title, ok := args["title"]
if !ok {
return nil, errors.New("title not provided")
}
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// Get unnamed argument as text
text, ok := args[""]
if !ok {
return nil, errors.New("text not provided")
}
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// Display correct dialog based on given type
switch args["type"] {
case "yesno":
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// Display yes or no dialog, returning bool based on user input
return dlgs.Question(fmt.Sprint(title), fmt.Sprint(text), true)
case "info":
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// Display info dialog, returning bool based on success
return dlgs.Info(fmt.Sprint(title), fmt.Sprint(text))
case "error":
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// Display error dialog, returning bool based on success
return dlgs.Error(fmt.Sprint(title), fmt.Sprint(text))
case "entry":
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// Check if default text given
defaultText, ok := args["default"]
if !ok {
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// Set to empty if not given
defaultText = ""
}
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// Display entry dialog
input, _, err := dlgs.Entry(fmt.Sprint(title), fmt.Sprint(text), fmt.Sprint(defaultText))
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// Return user input
return input, err
default:
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// If type unknown, return error
return nil, fmt.Errorf("unknown dialog type: %v", args["type"])
}
}
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// Default function to run a shell script using `sh -c`
func doShellScript(args map[string]interface{}) (interface{}, error) {
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// Get unnamed argument and assert its type as string
script, ok := args[""].(string)
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// If assertion successful
if ok {
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// Create new exec.Cmd containing `sh -c <script>`
cmd := exec.Command("sh", "-c", script)
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// Set command I/O
cmd.Stdout = os.Stdout
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cmd.Stdin = os.Stdin
cmd.Stderr = os.Stderr
// Run command
_ = cmd.Run()
return "", nil
} else {
return nil, errors.New("script not provided")
}
}